Taxation Law and legislation 3,754 Income tax 1,072 Corporations 490 Small business 308 Inheritance and transfer tax 295 Finance 229 Budget 220 History 211 Tax administration and procedure 209 Gifts 196 Revenue 194 Appropriations and expenditures 154 States 154 Tax collection 153 Foreign income 140 Tariff 131 Investments, Foreign 130 Local taxation 126 Partnership 126 Internal revenue 123 Electronic books 116 Internal revenue law 114 Securities 113 Business enterprises 112 Economic policy 110 Excise tax 109 International business enterprises 108 Tax exemption 106 Gasoline 104